TAUFIK NOPRIANSYAH PANE; DAUD ARIFIN; M.HUSNI RITONGA. An Analysis of Product Quality, Variations, And Prices on Purchase Decisions Case Study of Suzuki Ertiga Car Dealer at PT. Trans Sumatera Agung, Medan City. Konfrontasi: Jurnal Kultural, Ekonomi dan Perubahan Sosial, v. 9, n. 2, p. 388-397, 12 Jul. 2022.